Trane Tracer CH530 User Manual page 14

Chiller Level Mode
Top Level Mode
Auto
Auto Sub Modes
Waiting For Evap(orator)* Water Flow
Waiting For A Need To Cool
Waiting For A Need To Heat
Power Up Delay Inhibit: min:sec
Chiller Level Mode
Top Level Mode
Waiting to Start
Waiting to Start
Sub Modes
Waiting For Condenser Water Flow
Cond Water Pump PreRun Time min:sec
Cond Pmp Strt Dly (Head Pres Ctrl) min:sec
Cprsr Strt Delay (Head Pres Ctrl)
Chiller Level Mode
Top Level Mode
Running
Running Sub Modes
Maximum Capacity
Capacity Control Softloading
Current Control Softloading
Chiller Level Mode
Top Level Mode
Running - Limit
Running - Limit
Sub Modes
<none applicable>
14
DynaView Interface
The chiller is not currently running but can be expected to start at any moment given that the proper
conditions and interlocks are satisfied.
The unit will wait up to 20 minutes in this mode for water flow to be established per the flow switch
hardwired input.
The chiller will wait indefinitely in this mode, for a leaving water temperature higher than the Chilled
Water Setpoint plus some control dead-band.
The chiller will wait indefinitely in this mode, for a leaving water temperature lower than the Hot Water
Setpoint plus some control dead-band.
On Power up, the chiller will wait for the Power Up Delay Timer to expire.
The chiller is not currently running and there is a call for cooling but the lead circuit start is delayed by
certain interlocks or proofs. Further information is provided by the sub-mode:
The chiller will wait up to 4 minutes in this mode for condenser water flow to be established per the
flow switch hardwired input.
The chiller will wait up to 30 minutes (user adjustable) in this mode for to allow the condenser water
loop to equalize in temperature
Only possible when Condenser Head Pressure Control option is enabled, this wait may be necessary
due to the Head Pressure control device's stroke time.
Only possible when Condenser Head Pressure Control option is enabled, this wait may be necessary
min:sec
due to the Head Pressure control device's stroke time
At least one circuit on the chiller is currently running.
The chiller is operating at its maximum capacity.
The control is limiting the chiller loading due to capacity based softloading setpoints.
The chiller is running, and loading of individual compressors may be limited by a gradual filter of the
chiller's softloading current limit setpoint. The starting current limit and the settling time of this filter is
user adjustable as part of the current control softload feature. The mode will be displayed as long as
the Current Control Softloading limit is ramping or "settling".
At least one circuit on the chiller is currently running, but the operation of any of the circuits on the
chiller is being actively limited by a chiller level limit. Other sub modes that apply to the Chiller
Running top level modes may also be displayed here. Refer to the list of circuit limit modes for circuit
limits that will cause display of this Chiller Level Running Limit mode.
Design Note: Hot Start Limit is applied and annunciated at a circuit level, even though it is based on
the chiller's leaving water temperature.
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RLC-SVU05A-E4